阻尼值 的英文怎麼說
中文拼音 [zǔnízhí]
阻尼值
英文
damped quantity
-
阻 :
動詞(阻擋; 阻礙) block; hinder; impede; obstruct
-
尼 :
名詞(尼姑) buddhist nun
-
Numerical simulation on damping effect of impacted roof and its analysis with chaotic dynamics theory
沖擊性頂板運動
阻尼效應的數
值模擬及混沌動力學分析
-
The heavy damping makes it impractical to read gravity directly from the displacement of the beam.
高
阻尼不能使其直接從橫臂的位移讀出重力
值。
-
Different algorithms were compared in the numerical simulation and model experiment of concrete velocity inversion the results showed that, compared with the least - square solutions and the damped least - square solutions, the damped and natural weighted least - square solutions reflected the inner defections of the tested object more reliably and exactly due to the usage of correct priori information, which benefited the suppression of noises and made the iterations of inverse stable and convergent
結果表明,相對于最小二乘法和
阻尼最小二乘法,基於自然權的加權
阻尼最小二乘演算法,由於利用了正確的先驗信息,不但使反演過程收斂,而且具有數
值穩定、抗噪能力強的優點,其成像結果能真實有效地反映對象內部缺陷,因此更適用於混凝土的超聲波速度反演。
-
Compared with straight ray tracing, inversion of bending ray tracing is better when data of test are accurate. on the other hand, natural weight is introduced and numerical simulations and experiments of wlm on inversion of velocity and attenuation are also made, which show that wlm, with resistance of noises and convergence of iteration, may get good re - construction images
本文引入了物理意義明確的自然權,對基於自然權的加權
阻尼最小二乘反演演算法( wlm )在速度反演、衰減反演中進行了數
值模擬和試驗研究,結果表明wlm均能獲得良好的重建圖像,迭代收斂,抗噪能力強。
-
Taking the contact stress, bend stress stiffness and temperature stress as the condition, taking the weight of the kiln tyre as optimization aim function, the redia and the width of the tyre are optimized general optimize methods just consider the affecting of the parameters to aim function, but in fact, structural parameters ( such as structure dimension, interval and so on ), physics and dynamics ( damp factor, conduct factor, friction factor material ' s elastic module strength limits and so on ), which would be changed after used. the difference are called discrepancy robust design ' s basic concept is : all design parameters " discrepancy will affect the aim funct ion and arouse the quality target discrepancy
一般的優化方法,僅僅考慮了參數對其目標函數的影響,而實際情況下有些參數是變化的,產品的結構參數(如幾何尺寸、間隙等) 、物理和力學參數如
阻尼系數、傳導系數、磨擦系數、材料的彈性模量和強度極限等的設計
值與製造后和使用中的實際
值會有差異,這種差異稱為設計變量和噪聲因素的變差。
-
Inductive resistance current limiter is comprised of series reactor with lower reactance, damping resistor and sparkle gap
電感電
阻型限流器由電抗
值較小的串聯電抗器
阻尼電
阻器和火花間隙等三部分組成。
-
While adopts bang - bang control to realize semi - active control of vehicle suspension system equipped with electrorheologic damper, the coulomb damping force of electrorheologic damper is fixed, as the bang - bang control is two - value control actually. the bang - bang control cannot make full use of performances of the electrorheologic fluids
由於開關控制是一種二
值控制,採用開關控制策略實現對電流變液
阻尼器半主動控制懸架系統的控制時,電流變液
阻尼器輸出的庫侖
阻尼力無法連續變化,不能充分發揮電流變液的特性。
-
The centrosymmetric structural dynamical systems with damping were studied. the nearest triple matrix of the centrosymmetric with satisfying characteristic equations was found to a given triple matrix ( mass 、 stiffness and damping matrices ). finally, numerical examples were given
3 .研究了
阻尼中心對稱結構動力模型修正問題,對給定的三重矩陣(質量矩陣、剛度矩陣和
阻尼矩陣) ,求滿足譜約束條件且具有中心對稱特性的「最接近」的三重矩陣,並給出數
值算例。
-
The records we used are mainly from three parts : strong ground motion data before 1992 ' s ; data from scec ( south california earthquake catalog ) ; nsmp ( national strong motion project ). after we developed the attenuation laws, we analysis the attenuation characteristics for the pga and sa with different damping ratio. here we mainly concentrate on the effect of the distance and the magnitude
在回歸出中小地震的衰減關系后,本文對峰
值加速度(水平向與垂向) 、加速度反應譜(
阻尼比分別為0 . 005 、 0 . 02 、 0 . 05 、 0 . 1 、 0 . 2 )的衰減特性進行了分析,影響因素主要考慮了震級與距離這兩個方面。
-
Through studying the working mechanism of the composing, the paper referred the bearing ' s analyzing model and designing flow. through shearing test of high damping rubber, the paper analyzes the influence of shearing shape, shearing strain range and inspiriting frequence on the characteristic parameters ( dynamic shear elastic module, dissipation engineering module, wasted gene ). according to the rule of equivalent energy, the paper gets the hysteretic curve of hdr ' s equivalent bilinear model and parameters ' calculating formula
本論文通過對這種分離式減震支座各組成部分工作機理的研究,提出了該分離式減震支座整體的計算分析方法和設計流程;通過高
阻尼橡膠剪切試驗,分析了高
阻尼橡膠剪切面形狀、剪應變幅
值、激勵頻率和試件高度對特徵參數(動態剪切彈性模量、耗能模量、損耗因子)的影響。
-
More precisely, we consider the existence time for a kind of the semilinear schrodinger equation, and the - existence of a solution of the initial boundary value problem for the klein - gordon equation with nonlinear damping and source terms
) dinger方程解的存在時間的估計和一類含非線性
阻尼和源項的klein - gordon方程初邊
值問題解的存在性。
-
Fist ly, use mass equivalent method to predigest the original rotor system. secondly, use transfer matrix arithmetic to have finished the relative program to calculate the critical speed of flexible multi - tray rotor bearing system by matlab language. thirdly. finish program the unbalance response using riccati - transfer matrix arithmetic and finity buck arithmetic. fourthly, answer to the high vibration of uncontroled system when cross the critical speed, come out to adopt changing clearance damper bearing to control the viberation
本文對多柔盤轉子-支承系統的振動現象做了以下初步探索:用質量離散化方法把原轉子系統簡化;採用matlab語言編制了對傳遞矩陣法計算多柔盤轉子-支承系統的臨界轉速;用matlab語言對riccati傳遞矩陣法和有限元法編制了程序計算系統的不平衡響應;並針對其過臨界轉速時振動較大的現象,提出採用變間隙控制油膜剛度和
阻尼,從而使原系統的在特定轉速(臨界轉速)的一段范圍內不平衡響應減小;並從被動控制與主動控制兩方面進行數
值模擬,取的了較好的控制效果。
-
Afterwards, we take sag of cables into consideration and investigate the effect of the sag of cables on the effectiveness of viscous shearing damper. finally, experiments are carried out on jun shan bridge and bai sha zhou bridge to testify the effect of viscous shearing damper and the feasibility of the finite element method and galerkin approach to analyze the effectiveness of viscous shearing damper
然後在考慮斜拉索垂度的情況下,利用迦遼金方法,編製程序求解拉索振動的附加
阻尼,並與未考慮垂度情況下的拉索振動的附加
阻尼值相對比,分析垂度對附加
阻尼的影響。
-
This software setup damping value not include response time of sensor
該軟體設定
阻尼值不包括傳感膜頭的響應時間。
-
Then, the influence of the damp, stiffness and position of viscous shearing damper on the effectiveness of viscous shearing damper is analyzed
並利用程序從數
值上分析
阻尼器的
阻尼值、剛度
值及
阻尼器的位置對減振效果的影響。
-
The damping values of damping aluminum - alloy and zinc - alloy are measured. nonlinear laws between damping value and strain of damping alloy are obtained by mean of experiment and numerical fitting
以鋁基和鋅基
阻尼合金製成的試件為實驗對象,測定了這兩類
阻尼合金的
阻尼值。
-
One of them, grafting copolymerization of polydimethylsiloxane oligomer with acrylate, was used to make a polyacrylate elastomer with improved compatibility to poly dimethyl siloxane ( pdms )
採用tg呈梯度變化的聚丙烯酸酯單體共聚合的特殊分子設計,制得
阻尼值均等的聚丙烯酸酯彈性體。
-
Also do not forget that physics objects have to have a material, or they will bounce around wildly because they need the damping values etc. which are not set on objects without materials
也不忘記那一個物理學物體必須有一個材料,或他們將會到處胡亂反彈,因為他們需要
阻尼值設置等等沒有材料的物體的不會產生反應。
-
By using dma, dsc, afm, waxs etc, the maximum damping value, the temperature range of damping functional regions, ta, la as well as the morphology of the resulting damping materials were characterized
以dma 、 dsc 、 afm 、 waxs等表徵測試了上述
阻尼材料的最大
阻尼值、功能區寬度、 ta 、 la及
阻尼材料的微相結構。
-
Then, the program based on complex eigenvalue method was employed to investigate the influence of three parameters on vibration - controlled of cables. final, in term of character of vsd which is strongly dependent on temperature, the method based on lowermost damper of first order vibration - controlled aim at design tiptop temperature and checked at minimum temperature is presented, in which available shear area of damper is calculated
最後,在學習國內外研究成果的基礎上,根據粘性剪切型阻尼器的溫度依賴性強的特點,提出在設計最高溫度下,以滿足一階制振目標的阻尼值下限為標準設計阻尼器插板的有效剪切面積,最後在設計最低溫度下復核拉索各階制振目標是否滿足的設計方法。